Tom-Tom Tomato Ltd Customer Service Issues

I recently got a new phone and can no longer access my old phone number. I reached out for help through the app and Kimberly responded, requesting information about my account to facilitate changing my number without a code. However, I am having trouble recalling the specific date and month when I signed up. After providing some answers, she followed up again asking for my sign-up date, which I still cannot remember. It seems there might be some confusion in our communication. How should I proceed in this situation?